Nexgile Technologies Junior Software Engineer Trainee Interview Questions and Answers

Quant, logical reasoning, mathematics

Q1. Access modifiers
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Q2. Diff between abstract class and interface Difference between array and array list Difference between method overloading and overriding Pillars of oops Deadlock Normalisation
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Abstract class is a class with abstract methods, interface is a contract with only abstract methods. Array is fixed size, ArrayList is dynamic. Method overloading is same method with different parameters, overriding is redefining a method. OOP pillars are inheritance, encapsulation, polymorphism, abstraction. Deadlock is a situation where two or more processes are unable to proceed because each is waiting for the other...read more
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It contains 60 questions solve in 60 minutes and 1 coding questions simply debug extra 15 minutes are given

Q1. 7 to 8 minut google meet technical interview about your project, sql and basics of your main language
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Q1. It just normal interview
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There was an OA which comprised of Aptitude questions, as well as Technical questions. And, there was a single coding question(Basic level)

Q1. This round was with the CTO of the company and manager, and CHRO of the company. Questions related to project were asked.
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Q2. Tell me something that is not there in your resume. Describe any one of your project in detail What is S3 architecture? Difference between GET and POST Describe HTTP Response
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It was online assessment

Q1. Questions were mainly from oops c++ and database management
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Q2. What is four pillars of oops. What is array and vector. Implement queue using stack. Project based questions.
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The four pillars of OOP are encapsulation, inheritance, polymorphism, and abstraction. Arrays are fixed-size data structures, while vectors are dynamic arrays. A queue can be implemented using two stacks.
• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Inheritance: Creating new classes based on existing classes, inheriting their attributes and methods.

• Polymorphism: Objects of differe...read more
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Q3. Four pillars of opps
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The four pillars of object-oriented programming are encapsulation, inheritance, polymorphism, and abstraction.
• Encapsulation: Bundling data and methods that operate on the data into a single unit.

• Inheritance: Allowing a new class to inherit properties and behavior from an existing class.

• Polymorphism: The ability for objects of different classes to respond to the same message.

• Abstraction: Hiding the complex implementatio...read more
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Q4. What is dbms explain
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DBMS stands for Database Management System. It is a software system that allows users to define, create, maintain and control access to databases.
• DBMS is a software system that manages databases.

• It allows users to define, create, maintain, and control access to databases.

• DBMS provides tools for data manipulation, retrieval, and security.

• Examples of DBMS include MySQL, Oracle, SQL Server, and PostgreSQL.
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Q5. What isSQL.and some queries
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Easy level questions

Q1. Difference between object and constructor?
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Object is an instance of a class with its own state and behavior, while constructor is a special method used to initialize objects.
• Object is created from a class using the 'new' keyword.

• Constructor is a special method with the same name as the class.

• Object has its own state (attributes) and behavior (methods).

• Constructor is used to initialize the state of an object when it is created.

• Example: Class Car { constructor(ma...read more
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Q2. Difference between abstraction and encapsulation?
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Abstraction focuses on hiding the implementation details while encapsulation focuses on bundling the data and methods that operate on the data into a single unit.
• Abstraction is the concept of hiding the complex implementation details and showing only the necessary features of an object.

• Encapsulation is the bundling of data and methods that operate on the data into a single unit.

• Abstraction allows for creating simple in...read more
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Q1. A Lot of OOPS and Virtual concept
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Q2. Basic SQL till joins
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Q3. Java script medium
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Q4. C# oops output based
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Understanding OOP concepts in C# is crucial for effective software development and design.
• Encapsulation: Bundling data and methods that operate on the data. Example: A class 'Car' with properties like 'Speed' and methods like 'Accelerate()'.

• Inheritance: Deriving new classes from existing ones. Example: 'ElectricCar' inherits from 'Car', adding properties like 'BatteryCapacity'.

• Polymorphism: Ability to treat objects of ...read more
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Q1. Questions based on Objects and Classes Basic Questions related to DSA Projects discussions- Your Roles and Tasks Scenario based Questions Few Reasoning Questions
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Q1. Questions related to Trees and Graphs nested SQL Queries Scenario Based Questions Projects Logics for the coding given
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Q1. Just basic HR Questions Reallocation
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This one is a combination of aptitude and coding test where medium questions abt c,cpp are asked
Do few aptitude test and some level of coding and ull be able to clear the test quite easily

Q1. What is inheritance in cpp Basic oops concept question Basic dbms related question
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Q1. For me they just asked me about my project and i was good to go
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